After Effects cc to Encoder cc and Exports too longn

my 50 seconds long video has done in adobe after effects and I link to Encoder to export. but the Encoder cc takes very very long (its like 10 hours)

I exported to : Mpeg2 blu-ray, 1920 x 1080 default settings

where is what i have:

windows 8

Processor: Intel i7-3930k

SSD SATA 256GB

RAM: 32

VGA: Quadro k4000 (I used CUDA as my renderer)

Task Manager:

while exporting

CPU:

after effects: 25~30%

Encoder: 1~2%

RAM 40% used included open like 10 programs already

Im not sure if im giving enough information or not but can somebody tell me what is going on ? did i miss something ?? do i have to download anything to boost my computer or Adobe softwares ? I have no idea.. thats sick